Wrench.



Pathtad Oct. 30, I900.

- W. P. P HENIX.

WRENCH. (Application filadDec. B, 1899. Renewed Sept. 20, 1900.)

(lo Mode'l.)

WITNESSES IN VE N TOR,

m W Y W I o I; I

ATTOHNE 5.

NlTED STATES PATENT OFFICE.

WILLIAM PRESTON PHENIX, OF LUBBOOK, TEXAS.

WRENCH.-

SPECIFICATION forming part of Letters Patent No. 660,586, dated October 30, 1960. Application filed December 8, 1899. Renewed September 20,1900. Serial No. 30,621. (No model.)

' wrench which can be very quickly adjusted wrench and scribe-gage.

for its work, inasmuch as it will be seen that the jaws of my wrench may be directly and instantly opened and closed to the desired position and as quickly locked in such position.

The construction and operation of my invention will be set forth in the following specification, and its novel features will be particularly pointed out in the appended claims, reference being had to the accompanying drawings, which form a part of this application, in which- Figure 1 is a side elevation of my combined Fig. 2 is a bottom plan view thereof. Fig. 3 is a side elevation showing the movable jaw and locking-yoke in section and having a part of the longitudinal arm of the Wrench brokenaway to disclose the locking-apertures on the under side thereof. Fig. 4 shows, on an enlarged scale, a vertical section of Fig. 1 on line at m.

For convenience of reference numerals will be used in referring to the different parts of my invention, similar numerals being used to refer to the same parts throughout the various figures of the drawings.

Referring to the drawings, the numeral 1 designates the main bar orlever of my wrench.

The numeral 2 refers to the fixed head or jaw of the wrench, and 3 to the movable jaw.

locking-block 7 is provided on its underside with ratchet-teeth designed to cooperate with those to lock the movable jaw at any desired point. The teeth 10 of the locking-block are held normally in engagement with The teeth 9 of the longitudinal bar 1 by the spring 11, which is rigidly attached in any preferred manner (as by the screw 12) to the movable jaw and has its free end bearing downwardly upon the top of the locking-block. In order that the locking-block may be easily disengaged from the bar 1 when it is desired to do so, I provide the said block with the handle 13.

It will be seen that the means already described will constitute a good reliable wrench that. may be almost instantly adjusted to any desired position or changed from one position to another. able jaw of my wrench may be more rigidly held in position when it is set for Work I also provide means whereby it will be simultaneously locked to the bottom of the longitudinal arm as well as to the top. I accomplish this by the following means: The longitudinal 'arm lis provided on its under side with a series of apertures 14:. The pivot 8 has rigidly attached to its outer ends two small eccentrics 8, which are received by suitable bores in the upper ends'of the yoke 15, which fits snugly upon the sides and bottom of the band 5 of the sliding jaw. The lower or under section of the yoke is provided with the upwardly-extending pin 16, which takes upwardly through a suitable bore in the under side of the band 5 into the apertures let of the bar or lever 1. The axis of each of the eccentrics 8 is so disposed that when the lockgagement with the arm 1 the pin 16 will be 'in engagement with the apertures 14 on the under side of said arm.

It will be seen that when the handle 13 is elevated in the act of disengaging the block 7 from the arm 1 the yoke 9 will by the action of the eccentrics 8 be moved downwardly, thus-disengaging the pins 16 from the apertures 14, and vice versa. The apertures 14 are so disposed with relation to the ratchet-teeth 9 that when the teeth 10 of'the locking-block are in position to drop into engagement with the teeth on the upper side of the arm the pin 16 will always be exactly 0p- However, in order that the mov-' posite one of the apertures 14 on the lower side thereof.

The yoke 15 may be dispensed with, if pre ferred, and the block 7 entirely relied upon to hold the movable jaw in its locked position, or the lower portion of the block 7 may be cut away, so that it will not quite come in contact with the arm 1, but will simply constitute a lever upon which the spring 11 operates, in which case the yoke 15 and means carried thereby will be entirely relied upon to lock the movable jaw.

From Fig. 1 it will be observed that the fixed jaw 2 of my wrench is slightly thicker at the upper portion than at the bottom portion thereof, so that the space between the upper face of the fixed jaw and the movable jaw is less than that between the lower face and the said movable jaw. This difference of space should usually be equal to one-half the distance from one of the ratchet-teeth to the next one. This will give twice as fine an adjustment'as could be attained without employing this means. For instance, let us suppose that the ratch'et-teeth 9 are one-eighth of an inch apart. It is apparent that the upper space will always be one-sixteenth of an inch less than the lower, so that if the ratchetteeth adjust the jaws to eighths of an inch we can always get a sixteenth less by using the upper side 4 of the jaw or a sixteenth more than the upper side by using the lower side.

When it is desirous to use my combined tool as a scribe-gage, I suitably attach to it the transverse bar 17 and the scribe-bolt 18. The bar 17 has rigidly attached to its top side the plate 19 by suitable rivets or otherpreferred means. This plate is so bent as to provide a rectangular opening of suitable size to snugly receive the arm 1 between the transverse bar 17 and the said plate. The bar 17 is locked at any desired point on the arm 1 by means of the set-screw 20. The scribe-bolt 18 is received into an aperture in the end of the bar or arm 1 and slightly extends through said bar. The lower end of this bolt is sharpened to a point, and the distance which this point extends through the bar 1 may be regulated by turning the bolt 18. The arm 1 is provided with graduations, so that the jaws of the wrench may be set open at sight for any desired width of object to be grasped, if that width be known. The g'raduations are also equally useful when my device is used as a scribe-gage.

When it is desired to use my invention simply as a wrench alone, the bolt 18 may be removed and the transverse bar 17 slipped off the arm 1 out of the way. Again, when it is desirable to use it only as a scribe-gage the movable jaw of the wrench and the lockingblock may be removed.

' Having thus fully described the principles involved in my invention and shown means whereby the same may be applied to practice, I yet do not wish to be limited to the exact showingmade, but desire protection in all that cames clearly within the spirit and scope of my invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In wrenches, a main arm having a fixed head and means on opposite sides of said bar whereby it may be engaged; a movable jaw carrying mechanism adapted to cooperate with said means, and to simultaneously engage and disengage the same to lock or unlock said movable jaw, substantially as specifled and for the purpose set forth.

2. In wrenches, a main arm having a fixed head and ratchet-teeth on one side of said arm and recesses on the other; a movable jaw having a locking-block adapted to engage the said 'teeth, and an eccentricallymounted yoke having a pin, and operated by said block, whereby both sides of the arm will be simultaneously engaged or released, as specified and for the purpose set forth.

3. In wrenches, a main arm having ratchetteeth and recesses and a fixed head; a movable jaw carrying a locking-block and a yoke operated by said block, said block and yoke bearing upon said lever, to hold the yoke normallyin engagement with one of the cut-away portions, whereby the movable jaw is normally held strongly looked in position, substantially as specified and for the purpose set forth.

5. In wrenches,the combination with a fixed and movable jaw, of ahandle; a block 7, carried by said movable jaw and having eccentrics 8 disposed on each side thereof; a yoke 15, mounted on said eccentrics and extending around the handle and having a pin 16, said handle having a series of apertures designed to receive said pin, as and for the purpose set forth.

6. In a wrench, a movable jaw; a fixed jaw having a graduated handle provided with 7. In a wrench, a handle having afixed and ously forced into one of said apertures 14, as 10 movable jaw, said handle having one edge specified and for the purpose set forth. provided with teeth 9, and the other edge hav- In testimony whereof I affix my signature ing a series of apertures 14; a block having in presence of two witnesses.

teeth adapted to cooperate with the teeth 9 and a yoke eocentrically mounted on said WILLIAM PRESTON PHENIX' biock, said yoke having a pin 16, whereby Witnesses:

when the block is brought into engagement GEO. M. BOLES, with said teeth, the pin 16 will be simultane- J. B. GREEN. 

